From edcdd3a0fcd21389d36a9b65e6e47b52fc1ca101 Mon Sep 17 00:00:00 2001
From: Nathan Nichols <natenichols@cox.net>
Date: Mon, 27 Sep 2021 12:40:28 -0700
Subject: [PATCH] feat: adds isValidAddress (#1672)

* feat: adds isValidAddress
---
 src/utils/index.ts           | 12 ++++++++++++
 test/utils/isValidAddress.ts | 25 +++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 test/utils/isValidAddress.ts

diff --git a/src/utils/index.ts b/src/utils/index.ts
index 010623d6..1beb3d7c 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -56,6 +56,17 @@ function isValidSecret(secret: string): boolean {
   }
 }
 
+/**
+ * Validates that a given address is a valid X-Address or a valid classic
+ * address.
+ *
+ * @param address - Address to validate.
+ * @returns True if address is a valid X-Address or classic address.
+ */
+function isValidAddress(address: string): boolean {
+  return isValidXAddress(address) || isValidClassicAddress(address)
+}
+
 /**
  * Removes undefined values from an object.
  *
@@ -94,6 +105,7 @@ export {
   rippleTimeToUnixTime,
   unixTimeToRippleTime,
   isValidSecret,
+  isValidAddress,
   computeSignedTransactionHash,
   computeBinaryTransactionSigningHash,
   computeAccountRootIndex,
diff --git a/test/utils/isValidAddress.ts b/test/utils/isValidAddress.ts
new file mode 100644
index 00000000..967d7bcd
--- /dev/null
+++ b/test/utils/isValidAddress.ts
@@ -0,0 +1,25 @@
+import { assert } from 'chai'
+
+import { isValidAddress } from 'xrpl-local'
+
+describe('isValidAddress', function () {
+  it('Validates valid classic address', function () {
+    const classic = 'r3rhWeE31Jt5sWmi4QiGLMZnY3ENgqw96W'
+    assert(isValidAddress(classic))
+  })
+
+  it('Does not validate invalid classic address', function () {
+    const classic = 'r3rhWeE31Jt5sWmi4QiGLMZnY3ENhqw96W'
+    assert(!isValidAddress(classic))
+  })
+
+  it('Validates valid X-Address', function () {
+    const xAddress = 'XV5sbjUmgPpvXv4ixFWZ5ptAYZ6PD28Sq49uo34VyjnmK5H'
+    assert(isValidAddress(xAddress))
+  })
+
+  it('Does not validate invalid X-Address', function () {
+    const xAddress = 'XV5sbjUmgPpvXv4ixFWZ5pfAYZ6PD28Sq49uo34VyjnmK5H'
+    assert(!isValidAddress(xAddress))
+  })
+})